package d5_interface_attention;

public class Test {
    public static void main(String[] args) {

    }
}

interface A{
    void test1();
}
interface B{
    void test2();
}
interface C{}
interface D extends C,B,A{//接口多继承

}
class E implements D{

    @Override
    public void test1() {

    }

    @Override
    public void test2() {

    }
}
